KR20080006958A - Polarized-film attaching apparatus - Google Patents

Abstract

A polarizing film attaching apparatus is provided to load a substrate module stably, to move the substrate module by a rotary manner, and to attach a deflection film to both sides of the module. A work table(2) offers a work surface. A rotation table(4) has a rotation surface rotated with the center portion as the reference by receiving the driving power from a driving source. Plural loading plates(6) are arranged on the rotation table and fixes any one surface or the opposite surface among both side surfaces of the substrate module. Two film attaching devices(10) are arranged at the outside of the rotation surface, press a polarizing film by the rolling operation of a compression roller and attach the polarizing film to any one surface or the opposite surface of the substrate module loaded at the loading plate. Tow foreign substance remover(20) removes the foreign substances stuck on any one surface or the opposite surface by the adhesion force. A module inversion layer is located between two film attaching devices and inverts the loading posture by the rotation operation so that the polarizing film is attached at the opposite surface opposite to any one surface with the attached polarizing film.

Description

Polarized film attaching apparatus

1 is a plan view for explaining the overall structure of the polarizing film attachment device according to an embodiment of the present invention.

2 is a view for explaining the structure of the loading plate of FIG.

3 is a view for explaining the film attaching machine structure of FIG.

4 is a view for explaining the operation of the film attaching machine of FIG.

5 is a view for explaining a polarizing film supply structure of the polarizing film attachment device according to an embodiment of the present invention.

6 is a view for explaining the structure of the foreign material remover of FIG.

7 is a view for explaining the operation of the debris remover of FIG.

8 is a view for explaining a structure for collecting the foreign matter of the foreign matter remover of FIG.

FIG. 9 is a diagram for describing the structure of the module inverter of FIG. 1.

10 is a view for explaining the operation of the module reverser of FIG.

The present invention relates to an apparatus for attaching a polarizing film, and more particularly, to an operation of attaching a polarizing film to a substrate module for a flat panel display device, and in particular, an operation of attaching the polarizing film to both sides of the substrate module is simple and required. It relates to a polarizing film attachment device that can significantly reduce the time and process.

In general, a substrate module for a flat panel display device is integrated in a state in which two substrates face each other, and a polarizing layer having a function of polarizing incident light is formed on an outer surface of each substrate.

The polarizing layer is formed to a thickness in the range of approximately 10 μm to 40 μm from the surface of the module while most of the processes of attaching a conventional polarized film having a polarizing function in manufacturing the substrate module.

As such, a device for attaching a polarizing film to a substrate module includes a polarizing film bonding device of a flat panel display device of Patent No. 0589044, filed and registered on March 10, 2004 by the present applicant.

In the polarizing film bonding apparatus of the flat panel display device of Patent No. 0589044, each operation such as removing foreign substances and cleaning for forming a polarizing layer and film bonding in a state in which the substrate module is loaded to stand up, It is made of a structure that can proceed.

However, in the polarizing film bonding apparatus of Patent No. 0589044, at least two or more edges of four edges are in contact with the loading plate during loading of the substrate module, so that the edges of the substrate module are easily affected by various impacts or contact pressures. There is a problem that can be broken.

In particular, since at least one point of the entire edge of the substrate module has a ground terminal and a thin pad portion is formed in the general thickness of the substrate module as described above, the loading method for pressing and fixing the edge of the substrate module is satisfactory. You can't expect as much loading efficiency.

In addition, the method of loading by pressing the edge of the substrate module is open on both sides of the module is possible from both sides to work on both sides, but the contact plate between the edge of the loading plate and each edge is weak due to the external force during the operation slides away from the loading point loading position My location can be changed easily.

Moreover, changing the posture or position of the module during operation can be one factor that can cause excessive quality of the defect and lower productivity.

The present invention has been made in order to solve the conventional problems as described above, the object of the present invention is to simply load the substrate module in a stable state, while moving in a rotary manner, simply attaching both sides attaching the polarizing film on both sides of the module It is to provide a polarizing film attachment device that can proceed.

In order to realize the object of the present invention as described above,

A workbench providing a work surface,

Rotating table provided with a rotating surface rotated about the center by receiving power from the drive source,

A plurality of loading plates disposed on the rotary table to detachably fix one or the other of both sides of the substrate module;

Two film attachers for attaching to one side or the other side of the substrate module loaded on the loading plate while pressing the polarizing film in the working surface spaced apart from the rotating surface and the pressing roller in the rolling operation,

Two foreign material removers for removing foreign matters stuck to one side or the other side of the module with the adhesive force of the adhesive roller before attaching the polarizing film to the substrate module;

Module inverter for inverting the loading posture by the rotation operation so as to be attached between the two film attaching machine, the polarizing film is attached to the opposite side facing either side of the polarizing film is attached between the two sides of the substrate module

It provides a polarizing film attachment device comprising a.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. Embodiments of the present invention are described to the extent that those of ordinary skill in the art can practice the present invention.

Therefore, since the embodiments of the present invention may be modified in various other forms, the claims of the present invention are not limited to the embodiments described below.

1 is a plan view for explaining the overall structure of the polarizing film attachment device according to an embodiment of the present invention, 2 denotes a work table.

This worktable 2 is a conventional frame provided with a flat work surface S1 on which a work of attaching the polarizing film F to a substrate module for a flat panel display device (G, hereinafter referred to as "module") can be performed. In the form of

The work table 2 is positioned with a circular rotary table 4 having a rotating surface S2 capable of receiving power from a driving source M1 such as a servo motor and rotating about a central portion.

The rotating table 4 is fixed so that the rotating surface S2 can be rotated in a substantially horizontal position on the working surface S1, and the plurality of loading plates 6 for loading the module G in an upright state. Is located.

Each of the loading plate 6 is provided with a loading surface (S3) that can be detachably fixed to one side or the opposite side of both sides of the module (G) as shown in Figure 2, the rotation as shown It is fixed at the point divided into eight along the periphery of the rotation surface S2 of the table 4, respectively.

Although not shown in the drawing, the loading surface S3 may be connected to a conventional vacuum generator that generates a vacuum pressure, and may have a structure in which the loading surface S3 is separably fixed to the module G by suction force by the vacuum pressure.

Since the loading plate 6 is fixed to the entire surface of one of the two sides of the module (G) in a state of adsorption and fixed to the loading surface (S3), as well as small area and easy loading force when loading the large area of the module (G). It can be secured.

In particular, the loading plate 6 may prevent the pad part G1 from being damaged when the pad part G1 loads the module G formed at two or more points among four edges as shown in FIG. 2. It can be loaded in a stable state.

The loading plate 6 is used among synthetic resins and metals that can suppress the occurrence of various scratches on the surface of the module G.

In addition, a pickup head 8 for loading and unloading the module G may be installed on the loading plate 6.

The pickup heads 8 are respectively installed as shown in FIG. 1 at two points at which the module G is loaded and unloaded on the rotation surface S2, and are loaded while being detachably fixed to the module G by the attraction force. And unloading.

On the other hand, the work table (2) has two film attachers 10 on the work surface (S1) so as to be attached to the polarizing film (F) on both sides of the module (G) loaded on the loading plate (6), respectively It is spaced apart as shown in FIG.

Each film attaching machine 10 has an attaching surface 12 to detachably fix the polarizing film F by adsorptive force by vacuum pressure, and on one side of the attaching surface 12 by pressing the polarizing film F on the module (G) The pressing roller 14 is attached to the surface so as to be rotatable.

The film attacher 10 is made possible to attach the polarizing film (F) while the position and posture is changed on the working surface (S1).

To this end, in the present embodiment, as shown in FIG. 3, the film attacher 10 is moved along the surface of the module G by a general pneumatic transfer cylinder L1 and is connected to the step motor L2 to be a polarizing film. (F) is pressed by the pressure roller 14 and is attached.

That is, the pressure roller 14 is in a state in which the film attaching machine 10 is changed to an inclined posture as shown in FIG. 4, and is in contact with one surface of the module G with the polarizing film F therebetween. .

Then, when the film attaching machine 10 is moved along the pneumatic transfer cylinder (L1) by pressing the polarizing film (F) by a rolling operation that rotates in the same direction as in the drawing in contact with the surface of the module (G) To be attached to the surface of the module (G).

This attachment structure is carried out in such a way that the one side edge of the polarizing film (F) by the pressure roller 14 is moved to the opposite side of the edge of the polarizing film (F) between the attachment surface of the polarizing film (F) and the module (G) surface Bubbles can be prevented from occurring.

The film attaching machine 10 is configured to receive and attach the polarizing film F one by one from the separate film feeder 16 on the worktable 2.

The film feeder 16 has a guide block (B) having a wedge shape at one side when an adhesive tape (T) having a plurality of polarizing films (F) attached thereto is connected between two reels (R) as shown in FIG. 5. It may be a structure set to pass through.

That is, the film feeder 16 is the adhesive tape (T) in the wedge portion of the guide block (B) when the adhesive tape (T) is wound from one reel (R) to another reel (R) The polarizing film (F) is separated from the can be supplied to the attachment surface 12 of the film attaching machine 10 in a state capable of adsorption.

Although not shown in the drawing, the film feeder 16 may be moved to move closer to or away from the polarizing film F so as to correspond to the attachment surface 12 of the film attaching device 10.

In addition, the worktable 2 has a positioner 18 as shown in FIG. 5 so that the position of the polarizing film F may be supplied to the film attaching machine 10 in a state in which the position of the polarizing film F is corrected in connection with the film feeder 16. ) May be further included.

The positioner 18 includes a sensor C1 for detecting a position of the polarizing film F positioned at an adsorption point of the film supplier 16, and a controller C2 receiving a signal from the sensor C1. It comprises a transfer unit (C3) for changing the position of the film feeder 16 in at least two directions by a).

The sensor C1 may be a conventional optical sensor or a micro camera and may be connected so that a detected signal is applied to the controller C2.

In addition, the transfer unit C3 may use a conventional pneumatic transfer cylinder, and is arranged to change the film supply part 16 in at least two directions on the working surface S1.

That is, the position aligner 18 detects the position of the film F with the sensor C1 before the film attacher 10 adsorbs the polarizing film F, and thus detects the position of the film F by the control unit C2. The adsorption position of the polarizing film (F) can be adjusted within the allowable range while changing in at least two directions. Since such a control method can be easily implemented by those skilled in the art, a detailed description thereof will be omitted.

Two foreign material removers for removing the various foreign substances adhering to any one surface or the opposite surface of the module (G) moving along the rotary table (2) by the adhesive force of the roller (R1) ( 20) is located.

The two foreign matter removers 20 are spaced apart from the two film attachers 10 as shown in FIG. 1 so that the foreign matter removing operation may be performed before attaching the polarizing film F to the two film attachers 10. do.

The foreign material remover 20 may be made by fixing the adhesive roller (R1) having an adhesive force on the outer peripheral surface at each point of the work table (2) as shown in Figure 6 to the rotary arm (R2).

The rotary arm R2 is connected to a normal step motor R3 so that the adhesive roller R1 can be detachably contacted with the surface of the module G, and the adhesive roller R1 is connected to the module G. It is installed on the normal pneumatic transfer cylinder (R4) to be able to move along the surface of the module (G) in contact with the.

The foreign material remover 20 is the adhesive roller (R1) as shown in Figure 7 is moved in contact with any one of the sides facing out of the two sides of the module (G) loaded on the loading plate (6) Foreign matter can be removed by the adhesive force acting on the outer circumferential surface of the roller (R1).

As described above, the adhesive roller R1 having the adhesive layer formed on the outer circumferential surface thereof is the same as or similar to the roller structure used for the work for removing foreign substances in the LCD or semiconductor manufacturing process, and thus, further detailed description thereof will be omitted.

The foreign material remover 20 may further include a collecting roller R5 as shown in FIG. 6.

The collecting roller (R5) is located at a point that can be in contact with the outer peripheral surface of the adhesive roller (R1) is received from the power of the motor (R6) axis is fixed rotatably around the center.

Although the collecting roller R5 is not shown in the drawings, a roller having an adhesive force greater than that of the adhesive roller R1 acting on the outer circumferential surface is used.

That is, the collecting roller (R5) is the collection roller in the state in which the adhesive roller (R1) is positioned as shown in Figure 8 by the rotary arm (R2) one side of the outer peripheral surface of the two rollers (R1, R5) in contact with each other When R5 is rotated, foreign matters stuck to the outer circumferential surface of the adhesive roller R1 while being rotated in engagement with each other as shown in the drawing are collected while being transferred to the outer circumferential surface of the collecting roller R5.

Inverts the loading posture of the module G loaded on the loading plate 6 so that the polarizing film F can be attached to one side or the other side of the module G on the working surface S1 and reverses this. The module inverter 22 for reloading on the loading plate 6 side is positioned as shown in FIG. 1.

The module reverser 22 is positioned on the working surface S1 with the two film attachers 10 interposed therebetween, and an inverting arm H2 having an adsorption head H1 attached thereto, as shown in FIG. 9, It comprises a loading head (H3) which is movably positioned to take the module (G) in a state in which the posture is inverted from the inverted arm (H2) to be loaded on the loading plate (6).

The inverting arm H2 is connected to a normal servomotor H4 shaft on the working surface S1, and rotates approximately 180 degrees as shown in FIG. 10 by driving the motor H4. It is made so that the module G can be turned over in an inverted state.

And, the inversion arm (H2) is installed to be movable in two or more directions as shown in the drawing along the normal pneumatic transfer cylinder (H5) as shown in Figure 9 on the working surface (S1).

The loading head H3 has a conventional adsorber structure capable of adsorbing and fixing the module G with adsorption force, and although not shown in the drawing, the loading head H3 is reciprocated toward the loading plate 6 by receiving power from a driving source.

As shown in FIG. 10, the loading head H3 takes the module G whose posture is inverted from the suction head H1 and returns to the loading plate 6 in which the module G is unloaded. Can be loaded At this time, the adsorption head (H1) is located in a state out of the transport section of the loading head (H3) as shown in the figure.

Then, the loading head H3 takes over the module G in a posture inverted state, and then the loading head H3 is located on the other loading plate 6 side adjacent to the loading plate 6 where the module G is unloaded. The loading can be set to be possible. Such a structure reduces the holding time that occurs during the reversal operation compared to the method in which the module G is loaded on the side of the unloaded plate 6 so that the continuous operation can be performed.

The module reverser 22 having the above-described structure can easily reverse the loading posture during the movement of the module G so that the polarizing film F can be attached to both sides of the module G, respectively. Therefore, the double-sided attaching operation of the polarizing film F may be completed during the first rotation operation of the rotary table 4.

As described above, the present invention facilitates the double-sided attaching operation of attaching the polarizing film to both sides of the module while inverting the loading posture while loading the substrate module for the flat panel display on the rotary table and moving it in a rotary manner. Can be.

In particular, since the rotating table is loaded with one or all of the opposite surfaces of the module supported, the loading posture is prevented from being changed by various impacts or contact forces during the attachment operation of the polarizing film. It can be loaded in a stable state without being limited in size, thereby improving work compatibility.

Claims (7)

Worktable providing work surface; A rotary table provided with a rotating surface that receives power from a driving source and rotates about a central portion thereof; A plurality of loading plates disposed on the rotary table for removably fixing one side or opposite sides of both sides of the substrate module; Two film attachers arranged to be spaced apart from the rotating surface on the working surface and attached to one side or the other side of the substrate module loaded on the loading plate while pressing the polarizing film by the rolling operation of the pressure roller; Two foreign material removers for removing foreign substances adhering to one side or the other side of the module by the adhesive force of the adhesive roller before attaching the polarizing film to the substrate module; A module inverter positioned between the two film attaching apparatuses and inverting the loading posture by a rotational operation to allow the polarizing film to be attached to an opposite surface facing one surface of the substrate module to which the polarizing film is attached; Polarizing film attachment device comprising a. The method according to claim 1, The loading plate is a polarizing film attachment device which is installed spaced apart at a plurality of points divided along the circumferential direction of the rotary table. The method according to claim 1, Each of the foreign material removing device is a polarizing film attachment device, characterized in that to remove the foreign material by the adhesive force of the outer peripheral surface while the roll in contact with the adhesive surface of one side or the opposite surface of the module. The method according to claim 1, Each film attaching device is characterized in that the polarizing film is pressed while being attached by the rolling operation of the pressure roller when the pressure roller is moved in contact with one side or the opposite surface of the substrate module with the polarizing film therebetween. Polarizing film attachment device. The method according to claim 1, The polarizing film attaching apparatus further includes a film feeder for supplying a polarizing film to the film attaching, The film feeder is provided between a plurality of polarizing films to which the polarizing film is attached and connected between the two reels, and the connection section of the adhesive tapes so that the polarizing film is separated from the tape during transfer of the tape and transferred to the film attaching unit. Polarizing film attachment device comprising a guide block to be in a state capable. The method according to claim 1, The polarizing film attachment device further comprises a positioner for aligning the film position before supplying the polarizing film to the film attacher, The position aligner is a polarizing film attachment device, characterized in that for detecting the position of the polarizing film with a sensor and aligning while changing the position of the polarizing film according to the detected signal. The method according to claim 6, The sensor is a polarizing film attachment device that any one of an optical sensor or a micro camera is used.

Images